Layout template for picture framing mats

Claim 1

A LAYOUT TEMPLATE FOR USE IN LOCATING THE INTERIOR CORNERS OF A PICTURE FRAMING MAT BLANK HAVING AN UPPER SURFACE AND EDGES FORMING EXTERIOR CORNERS, SAID TEMPLATE COMPRISING: (A) A PLANAR GUIDE PLATE HAVING AN UPPER SURFACE AND A PERIPHERY, SAID GUIDE PLATE PERIPHERY INCLUDING A FIRST EDGE AND A SECOND EDGE EXTENDING AT A SELECTED ANGLE TO EACH OTHER AND TOGETHER FORMING A NOTCH FOR SELECTIVELY RECEIVING MAT BLANK EXTERIOR CORNERS WITH MAT BLANK EDGES CONTACTING SAID NOTCH-FORMING EDGES, AND (B) A PLANAR LOCATING PLATE HAVING A LOWER SURFACE SECURED IN FIXED POSITION TO THE UPPER SURFACE OF SAID GUIDE PLATE, SAID LOCATING PLATE BEING POSITIONED WITH RESPECT TO SAID GUIDE PLATE WHEREBY SAID LOCATING PLATE EXTENDS BEYOND SAID GUIDE PLATE IN THE DIRECTION OF OPENING OF SAID NOTCH FORMING A MAT BLANK COVERING PORTION, SAID LOCATING PLATE HAVING MEANS FORMING AN OPENING THERETHROUGH EXPOSING SAID NOTCH AND PORTIONS OF SAID FIRST AND SECOND EDGES FORMING SAID NOTCH, (C) SAID COVERING PORTION HAVING A PLURALITY OF SPACED LOCATING MEANS FORMING A ROW BISECTING SAID NOTCH, (D) WHEREBY INTERIOR CORNERS ARE EASILY LOCATED ON SAID MAT BLANK BY REFERENCE TO A SELECTED LOCATING MEANS.